EP3738697B1 - Outil tournant de découpe de métal - Google Patents

Outil tournant de découpe de métal Download PDF

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Publication number
EP3738697B1
EP3738697B1 EP19174811.0A EP19174811A EP3738697B1 EP 3738697 B1 EP3738697 B1 EP 3738697B1 EP 19174811 A EP19174811 A EP 19174811A EP 3738697 B1 EP3738697 B1 EP 3738697B1
Authority
EP
European Patent Office
Prior art keywords
insert
ridge
turning
turning tool
seat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19174811.0A
Other languages
German (de)
English (en)
Other versions
EP3738697A1 (fr
Inventor
Fredrik Marell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandvik Coromant AB
Original Assignee
Sandvik Coromant AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sandvik Coromant AB filed Critical Sandvik Coromant AB
Priority to EP19174811.0A priority Critical patent/EP3738697B1/fr
Priority to CN202080030359.7A priority patent/CN113710395B/zh
Priority to US17/611,514 priority patent/US20220241869A1/en
Priority to PCT/EP2020/052558 priority patent/WO2020228997A1/fr
Publication of EP3738697A1 publication Critical patent/EP3738697A1/fr
Application granted granted Critical
Publication of EP3738697B1 publication Critical patent/EP3738697B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
    • B23B27/1614—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts of special shape clamped against the walls of the recess in the shank by a clamping member acting upon the wall of a hole in the insert
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/141—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
    • B23B27/1603—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with specially shaped plate-like exchangeable cutting inserts, e.g. chip-breaking groove
    • B23B27/1607—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with specially shaped plate-like exchangeable cutting inserts, e.g. chip-breaking groove characterised by having chip-breakers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2200/00—Details of cutting inserts
    • B23B2200/04—Overall shape
    • B23B2200/0461—Round
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2200/00—Details of cutting inserts
    • B23B2200/32—Chip breaking or chip evacuation
    • B23B2200/326—Chip breaking or chip evacuation by chip breaking-plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2205/00—Fixation of cutting inserts in holders
    • B23B2205/04—Fixation screws, bolts or pins of particular form

Definitions

  • the present invention belongs to the technical field of metal cutting.
  • the present invention refers to a turning tool according to the preamble of claim 1.
  • An example of such a turning tool is disclosed by WO 2004/056515 A1 .
  • a turning tool is used to remove material from the metal work piece.
  • the turning tool normally comprises a turning insert.
  • a turning insert may have different shape, depending on factors such as the type of turning operation and component design.
  • turning inserts are round turning inserts, i.e. turning inserts having a circular cutting edge.
  • EP 1 899 098 B1 disclose a turning tool comprising a turning insert having a circular cutting edge.
  • the bottom surface of the turning insert comprises a plurality of radial ridges.
  • WO 2004/056514 A1 discloses a turning tool having a round turning insert which comprises a built-in positioning of a chip breaker portion.
  • the lower side of the turning insert comprises a number of indexing portions in the form of radial grooves, provided at even partition, and intended for indexing of the cutting insert.
  • An upper side of a shim has a projection or a shoulder having a radial dimension to prevent rotation relative to an active, cooperating groove of the turning insert.
  • the inventor have found that there is a need for an improved turning tool.
  • the inventors have found that the turning tool discosed in EP 1 899 098 B1 can be improved.
  • An object of the present invention is to provide a turning tool comprising a round turning insert where the turning insert is indexable in a number of positions, with the purpose of utilizing the chip-removing cutting edge of the turning insert in an optimal way.
  • One further object is to provide a turning tool where rotation of the turning insert in the insert seat during machining is kept to a limited level.
  • One still further object is to provide a turning tool which can be manufactured in an economical way.
  • One still further object is to provide a turning tool which can stand high cutting forces.
  • One still further object is to reduce the risk of vibrations during machining.
  • At least one of the objects is achieved by a turning tool having the features of claim 1.
  • the turning tool is suitable to be used in a CNC-lathe and comprises a tool body, preferably made at least partly from steel.
  • the turning insert made at least partly from a more wear resistant material than at least the major part of the tool body.
  • the turning insert preferably comprises a wear resistant material such as cemented carbide, cubic boron nitride or ceramic.
  • the top surface of the turning insert comprises a rake surface.
  • the bottom surface of the turning insert comprises a seating surface.
  • the reference plane is mid-way between the top and bottom surfaces.
  • the center axis intersecting the top and bottom surfaces is perpendicular to the reference plane.
  • a through hole is concentric with the center axis.
  • the side surface connecting the top surface and the bottom surface comprises a clearance surface.
  • the side surface is preferably conical. In other words, an area of the the top surface is preferably greater than an area of the bottom surface.
  • a cutting edge is adjacent to, i.e. connects or borders to the top surface and the side surface.
  • the cutting edge is 360° circular in a top view and is concentric in relation to or with the center axis.
  • the cutting edge may be entirely located in a plane parallel to the reference plane.
  • the bottom surface comprises a set of radial grooves. In other words, said grooves extend towards the center axis. Said grooves intersect the side surface. Said grooves preferably have a constant width and height along the length of the groove. Preferably, the set of radial grooves are evenly distributed around the center axis.
  • each of said radial grooves are uniform in cross-sections.
  • the number of grooves are 6-20, even more preferably 6-12, still even more preferably 6.
  • the bottom surface comprises a set, i.e. at least two, of flat surfaces.
  • the number of flat surfaces is equal to the number of grooves.
  • the flat surfaces are formed between adjacent pairs of grooves.
  • the turning tool comprises an insert seat, in which the turning seat can be removeably seated or clamped.
  • the insert seat comprises a bottom surface and a rear surface, wherein the rear surface and the bottom surfaces are support surfaces.
  • the bottom surface of the insert seat comprises a protrusion in the form of a first ridge, and a planar or flat support surface.
  • Said flat or planar support surface or surfaces are perpendicular to the center axis of the turning insert.
  • Said first ridge is raised in relation to said flat or planar support surface or support surfaces.
  • Said first ridge is thus a protrusion, preferably an elongated protrusion.
  • the bottom surface of the insert seat comprises more than one and less than three co-planar support surfaces which are perpendicular to the center axis of the turning insert.
  • the ridge is uniform in cross-sections.
  • the tool body may comprise the bottom surface and the rear surface.
  • the turning tool may comprise a shim.
  • the bottom surface including the first ridge may be part of or included in the shim, while the rear surface may be included in the tool body.
  • the turning insert is mounted in the insert seat by means of a clamping device, e.g. a top clamp or a clamping screw.
  • a clamping device e.g. a top clamp or a clamping screw.
  • a portion of the side surface of the turning insert is in contact with a portion of the rear surface of the insert seat.
  • the first ridge is at least partly inside or within one of the radial grooves formed in the bottom surface of the turning insert.
  • All of the flat surfaces of the turning insert is in contact with the support surface or support surfaces.
  • a cross section of the first ridge is smaller than a corresponding cross section of one of the radial grooves, where said cross sections are perpenciclar to a respective main extension axis.
  • Said cross sections are preferably corresponding or substantially corresponding in shape.
  • the height of the ridge is preferably less than the depth of said grooves, resulting in a vertical gap, where the reference plane is a horizontal plane.
  • the width of the ridge is preferably less than the width of said grooves, resulting in a horizontal gap.
  • the grooves and the ridge are arranged such that a small rotation, i.e. between 0° and 1°, even more preferably between 0° and 0.5°, of the turning insert around the center axis thereof is possible.
  • the grooves and the ridge are arranged such that a rotation above 1°, preferably above 0.5°, is prevented.
  • the clamping device is in the form of a screw, wherein a hole for the screw is connecting the top and bottom surfaces of the turning insert, wherein a threaded hole intersects the bottom surface of the insert seat.
  • the clamping device is in the form of a screw, preferably comprising a screw head and an external thread.
  • a through hole for the screw is connecting the top and bottom surfaces of the turning insert.
  • the bottom surface of the insert seat comprises a threaded hole for the screw.
  • the screw is at least partly located inside said hole formed in the insert and at least partly inside said threaded hole.
  • the radial grooves intersect the hole formed in the turning insert.
  • the radial grooves extend between the hole and the side surface.
  • the bottom surface of the insert seat comprises seat grooves, wherein the first ridge is formed between the seat grooves, wherein the first ridge and the seat grooves are at least partially located on opposite sides in relation to a plane comprising the support surface.
  • the bottom surface of the insert seat thus comprises seat grooves or recesses on opposite sides of the first ridge formed between the seat grooves.
  • the first ridge is at least partly raised in relation to a plane comprising the support surface.
  • the seat grooves are at least partially sunken in relation to a plane comprising the support surface.
  • the bottom surface of the insert seat comprises a second ridge, wherein the first ridge and the second ridge are aligned.
  • the first ridge and the second ridges are preferably uniform in cross sections perpendicular to the longitudinal axis of the turning tool.
  • the first ridge and the second ridge are preferably separated by 180° relative to each other around a center axis of the threaded hole formed in the bottom surface of the insert seat, when seen in a top view.
  • the bottom surface of the insert seat comprises exactly two ridges.
  • the first and second ridges are spaced apart.
  • the first and second ridges are separated by the threaded hole formed in the bottom surface of the insert seat.
  • the tool body comprises a coupling portion, wherein the coupling portion extends along a longitudinal axis of the turning tool, wherein the first ridge extends primarily along or parallel to the longitudinal axis of the turning tool.
  • insert movements are reduced, for example insert movements parallel to the metal work piece rotational axis in longitudinal turning.
  • the tool body comprises a rear end coupling portion which is opposite the front end insert seat.
  • the coupling portion is suitable to be connected to a machine interface of a CNC-lathe.
  • the coupling portion may be tapered or conical. Alternatively, the coupling portion may be square-shaped or rectangular in a cross section.
  • the coupling portion extends along a longitudinal axis of the turning tool.
  • the longitudinal axis is a center axis of the coupling portion.
  • the first ridge has a main extension thereof along or parallel to the longitudinal axis of the turning tool when seen in a top view. The first ridge thus extends in a forward-rearward direction, where the rear end of the turning tool is defined by the coupling portion.
  • the center axis of the turning insert is perpendicular or substantially perpendicular to the longitudinal axis of the turning tool.
  • the first ridge and the radial grooves formed in the bottom surface of the turning insert have corresponding or substantially corresponding shapes in cross sections.
  • said shapes is V-shaped or substantially V-shaped.
  • a base of the first ridge is wider that the top or crest of the first ridge.
  • the number of ridges formed in the bottom surface of the insert seat is smaller than the number of radial grooves formed in the bottom surface of the turning insert.
  • the number of ridges are more than one and less than three.
  • the number of radial grooves is even.
  • the numer of radial grooves are 6-20, even more preferably 6-12, still even more preferably 6.
  • the first ridge comprises ridge side surfaces connected by a ridge crest, wherein the ridge side surfaces are planar or substantially planar, wherein the ridge side surfaces form an angle of 70 - 110° in relation to each other, wherein each radial groove comprises radial groove side surfaces connected by a radial groove root, wherein the radial groove side surfaces form an angle of 70 - 110° in relation to each other.
  • the ridge crest is preferable arc-shaped in a cross section.
  • the radial groove root is preferably arc-shaped in a cross section.
  • the ridge crest is spaced apart from the radial groove root. In other words, there is a gap between the radial groove root and the ridge crest.
  • One of said ridge side surfaces is adjacent to one of said radial groove side surfaces, while a second of said ridge side surfaces is adjacent to a second of said radial groove side surfaces.
  • a cross section of each radial groove is uniform or substantially uniform, where a cross section of the first ridge is uniform or substantially uniform.
  • Said cross sections are uniform along the entire length of the ridge and groove, respectively.
  • the tool body comprises exactly one insert seat.
  • the tool body comprises exactly one insert seat, in which exactly one turning insert is mounted.
  • the bottom surface of the insert seat comprises two support surfaces, wherein the support surfaces are located in a common plane, wherein in a top view, an area of the support surfaces are greater than an area of the ridge or ridges.
  • a projected area of the support surfaces is greater than a projected area of the first and second ridges.
  • the rear surface of the insert seat comprises two spaced apart rear contact surfaces, wherein the rear contact surfaces are separated by a recess.
  • a method to machine a metal work piece comprises the steps of providing a metal work piece, providing a turning tool according to claim 1, rotating the metal work piece around a rotational axis thereof, cutting the metal work piece by moving the turning tool in a first direction parallel to the rotational axis of the metal work piece, wherein one ridge side surface is in contact with one radial groove side surface, wherein a second ridge side surface is spaced apart from a second radial groove side surface.
  • the metal work piece rotates in the same direction around the rotational axis thereof during the machining in the first and second directions.
  • the turning insert 1 comprises a top surface 2 comprising a rake surface and an opposite bottom surface 3 functioning as a seating surface.
  • a reference plane RP extends mid-way between the top and bottom surfaces 2, 3.
  • a center axis A1 intersects the top and bottom surfaces 2, 3.
  • a side surface 4 connects the top surface 2 and the bottom surface 3.
  • a cutting edge 5 is adjacent to the top surface 2 and the side surface 4.
  • the cutting edge 5 is circular and concentric in relation to a center axis A1.
  • a through hole 36 for a screw extends between the top and bottom surfaces 2, 3.
  • the top surface 2 comprises a set of first protrusions 6.
  • a greatest distance from the reference plane RP to the first protrusions 6 is greater than a distance from the reference plane RP to the cutting edge 5.
  • the bottom surface 3 comprises a set of radial grooves 10 and a set of flat surfaces 19.
  • each first protrusion 6 is symmetrical in relation to a line extending between the center axis A1 and a mid-point 45 of the first protrusion 6.
  • the first protrusions 6 are elongated in a direction parallel to or substantially parallel to the adjacent cutting edge 5.
  • the number of first protrusions 6 is a multiple of the number of radial grooves 10.
  • a distance 41 between adjacent first protrusions 6 is smaller than a length 42 of a first protrusion 6.
  • each first protrusion 6 is convex in a radial cross section.
  • the first protrusions 6 are evenly distributed around the center axis A1, and are located at constant distance from the center axis A1.
  • a radial angle ⁇ 1 for a first protrusion 6 is greater than a radial angle ⁇ 2 of a second protrusion 7, where said angles are measured between radial lines intersecting end points of the respective protrusion 6, 7.
  • the first and second protrusions 6, 7 radially overlap when seen in a top view.
  • the sum of radial angles ⁇ 1, ⁇ 2 for the first protrusions 6 and the second protrusions 7 exceeds 360°.
  • the first and the second protrusions 6, 7, respectively, are uniformly distributed around the center axis A1.
  • the top surface 2 of the turning insert 1 is mirror symmetrical in relation to a plane comprising the center axis A1.
  • the number of first protrusions 6 is equal to the number of second protrusions 7.
  • the first protrusions 6 are identical.
  • the second protrusions 7 are identical.
  • the first protrusions 6 are oval shaped or substantially oval shaped. Said oval is in a top view elongated in a direction perpendicular to a radius intersecting a mid-point of the respective first protrusion, where said radius intersects the center axis.
  • a length 42 of a first protrusion 6 is greater than a width 43 of a first protrusion 6, where said width 43 is measured radially in a top view and where said length is measured perpendicular to said width 43, as seen in Fig. 4 .
  • the top surface 2 comprises a set of second protrusions 7. As can be seen in e.g. Fig. 3 , a greatest distance from the cutting edge 5 to the first protrusions 6 is smaller than a greatest distance from the cutting edge 5 to the second protrusions 7. In other words, the first protrusions 6 are closer to the cutting edge 5, while the second protrusions 7 are closer to the center axis A1. As can be seen in Figs. 5 and 6 , the top surface 2 slopes downwards from the cutting edge 5.
  • a distance from the reference plane to the first protrusions 6 is smaller than a distance from the reference plane to the second protrusions 7.
  • the first protrusion 6 comprises a first surface 8 facing the cutting edge 5.
  • the second protrusions 7 comprises a second surface 9 facing the cutting edge 5.
  • a greatest angle e1 of the first surface 8 in relation to the reference plane RP is smaller than a greatest angle e2 of the second surface 9 in relation to the reference plane RP.
  • the first protrusions 6 are smaller in width, i.e. radially, than the width of the second protrusions 7 when seen in a top view.
  • the first protrusions 6 are at a constant distance or substantially constant distance from the center axis A1.
  • the second protrusions 7 are at a constant distance or substantially constant distance from the center axis A1.
  • the second protrusions 7 extend radially from a circular or substantially circular ring 11, i.e. a ring-shaped protrusion, concentric with the center axis A1.
  • the first protrusions 6 are spaced apart from said circular ring 11.
  • the radial grooves 10 are aligned with mid-points of first or second protrusions 6, 7.
  • Figs. 25-28 show a turning tool 13 comprising a tool body 14 and the above described turning insert 1.
  • the tool body 14 is shown in detail in Figs. 21-24 .
  • the turning tool 13 comprises an insert seat 15.
  • the insert seat 15 comprises a bottom surface 16 and a rear surface 17.
  • the turning insert 1 is mounted in the insert seat 15.
  • the bottom surface 16 of the insert seat 15 comprises a first ridge 18.
  • the side surface 4 of the turning insert 1 is in contact with the rear surface 17 of the insert seat 15,
  • the first ridge 18 is inside one of the radial grooves 10 formed in the bottom surface 3 of the turning insert 1.
  • the grooves and the ridge are arranged such that a small rotation, i.e. between 0° and 1°, even more preferably between 0° and 0.5°, of the turning insert around the center axis thereof is possible.
  • the grooves and the ridge are arranged such that a rotation above 1°, preferably above 0.5°, is prevented.
  • the bottom surface 16 of the insert seat 15 comprises support surfaces 21, 32 extending in a common plane.
  • the flat surfaces 19 of the turning insert 1 is in contact with the support surfaces 21, 32.
  • the turning insert 1 is mounted in the insert seat 15 by means of a screw (not shown).
  • the first ridge 18 is smaller than one of the radial grooves 10 when seen in a cross-section perpendicular to the main extension of said one of the radial grooves 10. Said first ridge 18 is inside or contained within said one of the radial grooves 10.
  • a hole 36 for the screw is connecting the top and bottom surfaces 2, 3 of the turning insert 1.
  • a threaded hole 22 for said screw intersects the bottom surface 16 of the insert seat 15.
  • the screw preferably comprises a screw head and an external thread.
  • a through hole 36 for the screw is connecting the top and bottom surfaces 2, 3 of the turning insert 1.
  • the bottom surface 16 of the insert seat 15 comprises a threaded hole 22 for the screw.
  • the screw is at least partly located inside said hole 36 formed in the insert and at least partly inside said threaded hole 22.
  • the radial grooves 10 intersect the hole 36 formed in the turning insert 1.
  • the radial grooves 10 extend radially between the hole 36 and the side surface 4.
  • the bottom surface 16 of the insert seat 15 comprises seat grooves 23.
  • the first ridge 18 is formed between the seat grooves 23.
  • the first ridge 18 and the seat grooves 23 are at least partially located on opposite sides in relation to a plane comprising the support surfaces 21, 32.
  • the bottom surface 16 of the insert seat 15 comprises a second ridge 24.
  • the first ridge 18 and the second ridge 24 are aligned in a top view as seen in e.g. Fig. 14 .
  • the first and second ridges 18, 24 are spaced apart and separated by the hole 22 formed in the bottom surface 16 of the insert seat 15.
  • the first ridge 18 is longer than the second ridge 24 when seen in a top view.
  • the first ridge 18 and the second ridge 24 are separated by 180° in a top view.
  • the first ridge 18 and the second ridge 24 are aligned with the longitudinal axis A2 of the turning tool 13, or aligned with a line parallel to said longitudinal axis A2, when seen in a top view.
  • the tool body 14 comprises a rear end coupling portion 25 suitable to be connected to a machine interface (not shown) of a CNC-lathe (not shown).
  • the coupling portion 25 extends along a longitudinal axis A2 of the turning tool 13.
  • the first and second ridges 18, 24 extends primarily along or parallel to the longitudinal axis A2 of the turning tool 13.
  • the first ridge 18 has a main extension thereof along or parallel to the longitudinal axis A2 of the turning tool 13 when seen in a top view.
  • the center axis A1 of the turning insert 1 is perpendicular or substantially perpendicular to the longitudinal axis A2 of the turning tool 13.
  • the first ridge 18, the second ridge 24 and the radial grooves 10 formed in the bottom surface 3 of the turning insert 1 have corresponding or substantially corresponding shapes in cross sections, as seen in Figs. 9 and 10 .
  • the number of ridges 18, 24 formed in the bottom surface 16 of the insert seat 15 is smaller than the number of radial grooves 10 formed in the bottom surface 3 of the turning insert 1.
  • the first ridge 18 comprises planar ridge side surfaces 26, 27 connected by a ridge crest 28.
  • the ridge side surfaces 26, 27 form an angle of 70 - 110° in relation to each other.
  • Each radial groove 10 comprises radial groove side surfaces 29, 30 connected by a radial groove root 31.
  • the radial groove side surfaces 29, 30 form an angle of 70 - 110° in relation to each other.
  • Each radial groove 10 is uniform or substantially uniform in cross sections along the length of the radial groove, where the length is in a radial direction. In a corresponding manner, the first and second ridges 18, 24 are uniform or substantially uniform.
  • a gap is formed at least between one of the pair of adjacent ridge side- and radial groove side surfaces 26, 29, 27, 30.
  • a gap is formed between both of said adjacent pairs of side surfaces 26, 29, 27, 30.
  • a gap is always formed between the ridge crest 28 and the radial groove root 31.
  • the bottom surface 16 of the insert seat 15 comprises two support surfaces 21, 32 located in a common plane. In a top view as seen in e.g. Fig. 14 , an area of the support surfaces 21, 32 are greater than an area of the ridge or ridges 18, 24.
  • the rear surface 17 of the insert seat 15 comprises two spaced apart rear contact surfaces 33, 34.
  • the rear contact surfaces 33, 34 are separated by a recess 35.
  • the tool body 14 may comprise the insert seat 15 as seen in Figs. 21-24 .
  • the bottom surface 3 and the side surface 4 of the turning insert 1 is partly in contact with the tool body 14, as seen in Figs. 25-28 .
  • the turning tool 13 may comprise a shim 37, such as the shim 37 shown in Figs. 43-46 .
  • the bottom surface 3 of the turning insert 1 is in contact with the shim 37, while the side surface 4 of the turning insert 1 is in contact with the tool body 14.
  • Figs. 41 and 42 schematically show a method to machine a metal work piece 38 by means of any of the above described turning tools 13.
  • the metal work piece 38 rotates in one direction around a rotational axis A3 thereof.
  • the first ridge is oriented perpendicular to the rotational axis A3 of the metal work piece 38.
  • Cutting the metal work piece 38 is made by first moving the turning tool 13 in a first direction 39 parallel to the rotational axis A3 of the metal work piece 38, and thereafter cutting the metal work piece 38 by moving the turning tool 13 in a second direction 40 parallel to the rotational axis A3 of the metal work piece 38, where the second direction 40 is opposite to the first direction 39.
  • Fig. 41 one ridge surface 27 as seen in Fig. 10 is in contact with one radial groove side surface 30, while in Fig. 42 , one other ridge surface 26 is in contact with one other radial groove side surface 29.
  • the turning insert have made a rotational movement of a predetermined angle around the center axis thereof when comparing the end of the pass shown in Fig. 41 and the end of the pass shown in Fig. 42 .
  • Fig. 42 there is at least a partial gap between said one ridge surface 27 and said one radial groove side surface 30.
  • the ridge crest 28 seen in Fig. 10 forms an angle in a top view in relation to the radial groove root 31. This can be understood from Fig. 11 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)

Claims (12)

  1. Outil de tournage (13) comprenant un corps d'outil (14) et une plaquette de tournage (1),
    où la plaquette de tournage (1) comprend une surface supérieure (2),
    une surface inférieure opposée (3),
    un plan de référence (RP) entre les surfaces supérieure et inférieure (2, 3),
    un axe central (A1) coupant les surfaces supérieure et inférieure (2, 3),
    une surface latérale (4) reliant la surface supérieure (2) et la surface inférieure (3), une arête de coupe (5) adjacente à la surface supérieure (2) et à la surface latérale (4),
    l'arête de coupe (5) étant circulaire et concentrique par rapport à l'axe central (A1), où la surface inférieure (3) de la plaquette de tournage (1) comprend un ensemble de surfaces planes (19),
    où les surfaces planes (19) s'étendent dans un plan parallèle au plan de référence (RP),
    où l'outil de tournage (13) comprend un siège de plaquette (15),
    où le siège de plaquette (15) comprend une surface inférieure (16),
    où la surface inférieure (16) du siège de plaquette (15) comprend une surface de support (21, 32),
    où la plaquette de tournage (1) est montée dans le siège de plaquette (15) au moyen d'un dispositif de serrage,
    où le siège de plaquette (15) comprend une surface arrière (17),
    où la surface latérale (4) de la plaquette de tournage (1) est en contact avec la surface arrière (17) du siège de plaquette (15),
    où la surface inférieure (3) de la plaquette de tournage (1) comprend un ensemble de rainures radiales (10),
    où les rainures radiales (10) coupent la surface latérale (4),
    où la surface inférieure (16) du siège de plaquette (15) comprend une première nervure (18),
    où la surface de support (21, 32) du siège de plaquette (15) est planaire,
    où la première nervure (18) se situe à l'intérieur d'une des rainures radiales (10) ménagées dans la surface inférieure (3) de la plaquette de tournage (1),
    où au moins une des surfaces planes (19) de la plaquette de tournage (1) est en contact avec la surface de support (21, 32) du siège de plaquette (15),
    où dans une coupe transversale, la première nervure (18) est plus petite qu'une des rainures radiales (10),
    où le corps d'outil (14) comprend une partie d'accouplement (25),
    où la partie d'accouplement (25) s'étend le long d'un axe longitudinal (A2) de l'outil de tournage (13),
    caractérisé en ce que
    où la surface inférieure (16) du siège de plaquette (15) comprend une seconde nervure (24),
    où la première nervure (18) et la seconde nervure (24) sont alignées,
    où la première nervure (18) s'étend principalement le long de ou parallèlement à l'axe longitudinal (A2) de l'outil de tournage (13),
    où la surface inférieure (16) du siège de plaquette (15) comprend deux surfaces de support (21, 32), et
    où les surfaces de support (21, 32) sont situées dans un plan commun,
    où selon une vue de dessus, une aire des surfaces de support (21, 32) est supérieure à une aire de la nervure ou des nervures (18, 24), et
    où la totalité des surfaces planes (19) de la plaquette de tournage (1) sont en contact avec les surfaces de support (21, 32).
  2. Outil de tournage (13) selon la revendication 1,
    dans lequel le dispositif de serrage se présente sous la forme d'une vis,
    où un trou (36) destiné à la vis relie les surfaces supérieure et inférieure (2, 3) de la plaquette de tournage (1),
    où un trou taraudé (22) coupe la surface inférieure (16) du siège de plaquette (15).
  3. Outil de tournage (13) selon la revendication 2,
    dans lequel les rainures radiales (10) coupent le trou (36) ménagé dans la plaquette de tournage (1).
  4. Outil de tournage (13) selon l'une quelconque des revendications précédentes,
    dans lequel la surface inférieure (16) du siège de plaquette (15) comprend des rainures de siège (23),
    où la première nervure (18) est formée entre les rainures de siège (23),
    où la première nervure (18) et les rainures de siège (23) sont au moins en partie positionnées sur des côtés opposés par rapport à un plan comprenant la surface de support (21, 32).
  5. Outil de tournage (13) selon l'une quelconque des revendications précédentes,
    dans lequel l'axe central (A1) de la plaquette de tournage (1) est perpendiculaire ou sensiblement perpendiculaire à l'axe longitudinal (A2) de l'outil de tournage (13).
  6. Outil de tournage (13) selon l'une quelconque des revendications précédentes,
    dans lequel la première nervure (18) et les rainures radiales (10) ménagées dans la surface inférieure (3) de la plaquette de tournage (1) ont des formes correspondantes ou sensiblement correspondantes en coupes transversales.
  7. Outil de tournage (13) selon l'une quelconque des revendications précédentes,
    dans lequel le nombre de nervures (18, 24) formées dans la surface inférieure (16) du siège de plaquette (15) est inférieur au nombre de rainures radiales (10) ménagées dans la surface inférieure (3) de la plaquette de tournage (1).
  8. Outil de tournage (13) selon l'une quelconque des revendications précédentes,
    dans lequel la première nervure (18) comprend des surfaces latérales de nervure (26, 27) reliées par une crête de nervure (28),
    où les surfaces latérales de nervure (26, 27) sont planaires ou sensiblement planaires,
    où les surfaces latérales de nervure (26, 27) forment un angle allant de 70° à 110° l'une par rapport à l'autre,
    où chaque rainure radiale (10) comprend des surfaces latérales de rainure radiale (29, 30) reliées par une racine de rainure radiale (31),
    où les surfaces latérales de rainure radiale (29, 30) forment un angle allant de 70° à 110° l'une par rapport à l'autre.
  9. Outil de tournage (13) selon l'une quelconque des revendications précédentes,
    dans lequel une coupe transversale de chaque rainure radiale (10) est uniforme ou sensiblement uniforme,
    où une coupe transversale de la première nervure (18) est uniforme ou sensiblement uniforme.
  10. Outil de tournage (13) selon l'une quelconque des revendications précédentes,
    où l'outil de tournage (13) comprend exactement un siège de plaquette (15).
  11. Outil de tournage (13) selon l'une quelconque des revendications précédentes,
    dans lequel la surface arrière (17) du siège de plaquette (15) comprend deux surfaces de contact arrière séparées (33, 34),
    où les surfaces de contact arrière (33, 34) sont séparées par un évidement (35).
  12. Procédé d'usinage d'une pièce d'ouvrage métallique (38), comprenant les étapes consistant à :
    fournir une pièce d'ouvrage métallique (38),
    fournir un outil de tournage selon l'une quelconque des revendications 10 et 11,
    entraîner en rotation la pièce d'ouvrage métallique (38) autour d'un axe de rotation (A3) de celle-ci,
    découper la pièce d'ouvrage métallique (38) en déplaçant l'outil de tournage (13) suivant une première direction parallèle à l'axe de rotation (A3) de la pièce d'ouvrage métallique (38),
    où une surface latérale de rainure (26) est en contact avec une surface latérale de rainure radiale (29),
    où une seconde surface latérale de rainure (27) est espacée d'une seconde surface latérale de rainure radiale (30).
EP19174811.0A 2019-05-16 2019-05-16 Outil tournant de découpe de métal Active EP3738697B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19174811.0A EP3738697B1 (fr) 2019-05-16 2019-05-16 Outil tournant de découpe de métal
CN202080030359.7A CN113710395B (zh) 2019-05-16 2020-02-03 用于金属切削的车削刀具
US17/611,514 US20220241869A1 (en) 2019-05-16 2020-02-03 Turning tool for metal cutting
PCT/EP2020/052558 WO2020228997A1 (fr) 2019-05-16 2020-02-03 Outil rotatif pour coupe de métaux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19174811.0A EP3738697B1 (fr) 2019-05-16 2019-05-16 Outil tournant de découpe de métal

Publications (2)

Publication Number Publication Date
EP3738697A1 EP3738697A1 (fr) 2020-11-18
EP3738697B1 true EP3738697B1 (fr) 2023-02-22

Family

ID=66589273

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Application Number Title Priority Date Filing Date
EP19174811.0A Active EP3738697B1 (fr) 2019-05-16 2019-05-16 Outil tournant de découpe de métal

Country Status (4)

Country Link
US (1) US20220241869A1 (fr)
EP (1) EP3738697B1 (fr)
CN (1) CN113710395B (fr)
WO (1) WO2020228997A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12056383B2 (en) * 2017-03-10 2024-08-06 Pure Storage, Inc. Edge management service
EP4001739B1 (fr) 2020-11-19 2024-01-03 Zumtobel Lighting GmbH Luminaire pourvu de composants de luminaire intégrés
AT17531U1 (de) 2020-11-19 2022-06-15 Zumtobel Lighting Gmbh At Modulare Leuchte

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29721160U1 (de) * 1996-12-16 1998-02-19 Iscar Ltd Schneideinsätze
US20170216932A1 (en) * 2016-02-03 2017-08-03 Iscar, Ltd. Circular cutting insert having non-circular peripheral edge

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4118065C2 (de) * 1991-06-01 1994-09-01 Krupp Widia Gmbh Vieleckiger oder runder Schneideinsatz
US5236288A (en) * 1991-11-08 1993-08-17 National Carbide Outlet, Inc. Cutter with positively locked round inserts
US5924826A (en) * 1994-04-27 1999-07-20 Sandvik Ab Cutting insert mounted on holder by rib-and-groove coupling
SE509363C2 (sv) * 1995-09-25 1999-01-18 Sandvik Ab Fastspänningsanordning fjör skärplattor samt skärplatta avsedd för dylik anordning
SE510533C2 (sv) * 1996-11-04 1999-05-31 Seco Tools Ab Verktyg för skärande bearbetning
SE510851C2 (sv) * 1996-12-23 1999-06-28 Sandvik Ab Skär samt hållare för skärande metallbearbetning
SE511390C2 (sv) * 1997-03-05 1999-09-20 Sandvik Ab Anordning vid fastspänning av skärplattor för skärande metallbearbetning
SE509540C2 (sv) * 1997-06-30 1999-02-08 Seco Tools Ab Verktyg
IL123685A (en) * 1998-03-16 2001-09-13 Iscar Ltd Modular cutting tool dispenser
SE526539C2 (sv) * 2002-05-28 2005-10-04 Sandvik Intellectual Property Verktyg för spånavskiljande bearbetning där skärläget uppvisar flexibla partier.
SE525913C2 (sv) * 2002-12-20 2005-05-24 Seco Tools Ab Skär, verktyg samt metod för montering av skär där skäret kan orienteras i önskad position
SE527851C2 (sv) * 2004-02-11 2006-06-20 Sandvik Intellectual Property Skärverktyg, skär samt del till skärverktyg med serrationskopplingsytor
SE528751C2 (sv) * 2005-06-27 2007-02-06 Sandvik Intellectual Property Svarvverktyg och indexerbart svarvskär, samt tillsats för dylika svarvverktyg
US7607867B2 (en) * 2006-12-15 2009-10-27 Sandvik Intellectual Property Ab Tooling insert with mating surface
JP2010522096A (ja) * 2007-03-23 2010-07-01 ケンナメタル インコーポレイテッド 旋削作業中に切削用インサートを回転させるための方法とアセンブリ及びそれに使用されるインサート
US8573903B2 (en) * 2009-11-03 2013-11-05 Kennametal Inc. Round cutting insert with anti-rotation feature
US8657539B2 (en) * 2011-03-28 2014-02-25 Kennametal Inc. Round cutting insert with reverse anti-rotation feature
EP2764939B2 (fr) * 2011-10-07 2022-12-07 Tungaloy Corporation Outil de coupe à bord tranchant remplaçable
US8858130B2 (en) * 2012-04-24 2014-10-14 Kennametal Inc. Indexable circular cutting insert
US9283626B2 (en) * 2012-09-25 2016-03-15 Kennametal Inc. Double-sided cutting inserts with anti-rotation features
US9120154B2 (en) * 2013-02-14 2015-09-01 Iscar, Ltd. Single-sided square-shaped indexable cutting insert and cutting tool
US9120156B2 (en) * 2013-03-26 2015-09-01 Iscar, Ltd. Rhombus-shaped indexable cutting insert and cutting tool
US10406608B2 (en) * 2015-01-19 2019-09-10 Kennametal Inc. Cutting insert and pocket with uninterrupted and continuous seating surface perimeter
EP3153260B1 (fr) * 2015-10-09 2018-05-23 Sandvik Intellectual Property AB Insert de tournage et procede
EP3153261B1 (fr) * 2015-10-09 2018-04-04 Sandvik Intellectual Property AB Insert de tournage et procede
EP3476508A1 (fr) * 2017-10-31 2019-05-01 Sandvik Intellectual Property AB Insert de tournage
ES2815542T3 (es) * 2017-12-22 2021-03-30 Ceratizit Austria Gmbh Sistema de herramientas y procedimiento de torneado
EP3738698B1 (fr) * 2019-05-16 2022-11-02 AB Sandvik Coromant Plaquette de tournage pour la coupe des métaux, outil de coupe et procédé d'usinage d'une pièce métallique
US11786982B2 (en) * 2021-04-26 2023-10-17 Kennametal Inc. Cutting tool comprising toolholder and round cutting insert and method for repositioning the round cutting insert in a pocket of the toolholder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29721160U1 (de) * 1996-12-16 1998-02-19 Iscar Ltd Schneideinsätze
US20170216932A1 (en) * 2016-02-03 2017-08-03 Iscar, Ltd. Circular cutting insert having non-circular peripheral edge

Also Published As

Publication number Publication date
CN113710395B (zh) 2023-11-28
WO2020228997A1 (fr) 2020-11-19
CN113710395A (zh) 2021-11-26
US20220241869A1 (en) 2022-08-04
EP3738697A1 (fr) 2020-11-18

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